#include <stdio.h>

int  AddYoTarget(int start,int end)
{
  int i=start;
  int sum=0;
  for(;i<=end;i++)
  {
    sum+=i;

  }
  return sum;
}

int main()
{
  printf("run begin...\n");

  int result = 0;
  result = AddYoTarget(1,100);


  printf("result: %d\n",result);
  printf("run end...\n");
  return 0;
}
